Up to speed

After lead was detected on synthetic athletic fields in New Jersey, some worried whether it was safe to play on the material. A report released Wednesday from the U.S. Consumer Product Safety Commission said that the amount of lead released was not harmful and that kids can return to the fields. Lead gives the turf different colors. Excessive amounts of lead can cause brain damage and other illnesses.

health

The American Academy of Pediatrics says the recommendation for ADHD patients to undergo heart screenings is unnecessary for most of the 4 million children diagnosed with the condition.

More than half of ADHD diagnosed patients are treated with stimulants. Sudden heart-related deaths occur in four out of 2.5 million children on a stimulant medication each year, according to the academy. The academy said the EKGs recommended by the American Heart Association would be costly.

science

NASA announced Wednesday that one of Saturn's moons, Titan, has liquid hydrocarbons in a lake.

Besides Earth, Titan is the only other body in the solar system known to have liquid on its surface.

The discovery was confirmed by the Cassini international spacecraft. Scientists also confirmed the presence of ethane; liquid ethane is a component of crude oil.

politics

The House passed the Family Prevention and Tobacco Control Act on Wednesday, putting tobacco under federal agencies tasked with promoting the public well-being.

The Food and Drug Administration would regulate tobacco, requiring the agency's advisory committee to issue recommendations on menthol, a common flavoring, and create an action plan to restrict promotion to youth.